B4.2 Identifying Organisms Flashcards
1
Q
Define habitat
A
Place where an organism lives
2
Q
What is the name of the system biologists have developed to help them identify plants and animals?
A
Keys
3
Q
Name the two types of ‘keys’
A
- Spider keys
2. Numbered keys
4
Q
Define ecosystem
A
System including the organisms in an area and how they interact, along with non-living conditions such as rainfall, temperature and the soil.
5
Q
Name three natural ecosystems
A
- Woodlands
- Lakes
- Seashores
6
Q
Define biodiversity
A
Measure of how many different types of organisms live in an area.
7
Q
Define zonation
A
A gradual change in the distribution of species across a habitat.
8
Q
What is an artificial ecosystem? Give 3 examples.
A
Artificial ecosystems are those created by humans, such as fish farms, forestry plantations, and gardens.
